Home / Models / Llama 3.1 70B Instruct / NVIDIA RTX 5080 16 GB
Can Llama 3.1 70B Instruct run on NVIDIA RTX 5080 16 GB?
Can it run? Yes, with CPU/RAM offload. Full GPU fit? No.
Can it run?
- Can it run?
- Yes, with CPU/RAM offload. This is not equivalent to full-GPU inference.
- Full GPU fit?
- No
- Model
- Llama 3.1 70B Instruct · 71B
- GPU
- NVIDIA RTX 5080 16 GB · 16 GB advertised
Memory calculation
Breakdown for Q4 at 8K context, batch size 1. Calculator v1.0.0.
| Model weights | 41.4 GB |
|---|---|
| KV cache | 2.5 GB |
| Runtime reserve | 2.6 GB |
| Safety margin | 1.5 GB |
| Required (estimated) | 48.0 GB |
| GPU usable VRAM | 14.4 GB |
Result: DOES NOT FIT
Quantization table
| Quantization | 2K | 4K | 8K | 16K | 32K | 64K | 128K |
|---|---|---|---|---|---|---|---|
| BF16 | No | No | No | No | No | No | No |
| FP16 | No | No | No | No | No | No | No |
| Q3 | Offload | Offload | Offload | Offload | Offload | Offload | Offload |
| Q4 | No | No | No | No | No | No | No |
| Q5 | No | No | No | No | No | No | No |
| Q6 | No | No | No | No | No | No | No |
| Q8 | No | No | No | No | No | No | No |
What fits entirely in VRAM?
No calculated full-VRAM fit at the evaluated quantizations and context lengths.
What requires RAM offload?
Weights may run with CPU/RAM offload. That is not equivalent to full-GPU inference. RigForAI does not estimate tokens/sec in this release.
Available graphics cards
These SKUs use this GPU chip. Amazon CTAs appear only for EXACT/HIGH matches. Absence of a price does not change the compatibility result above.

GIGABYTE GeForce RTX 5080 WINDFORCE OC SFF 16G Graphics Card
16 GB · Amazon EXACT
$1497.00
Check price on Amazon
GIGABYTE GeForce RTX 5080 GAMING OC 16G Graphics Card
16 GB · Amazon EXACT
$1599.00
Check price on Amazon
MSI GAMING GEFORCE RTX 5080 16G TRIO OC graphics card NVIDIA 16 GB GDDR7
16 GB · Amazon EXACT
$1599.99
Check price on Amazon
ASUS Prime -RTX5080-O16G NVIDIA GeForce RTX 5080 16 GB GDDR7
16 GB · Amazon EXACT
Check price on Amazon
ASUS ROG Astral - -RTX5080-O16G-GAMING NVIDIA GeForce RTX 5080 16 GB GDDR7
16 GB · Amazon EXACT
Check price on Amazon
ASUS TUF Gaming TUF-RTX5080-O16G-GAMING NVIDIA GeForce RTX 5080 16 GB GDDR7
16 GB · Amazon EXACT
Check price on AmazonSources
Model: official config meta-llama/Llama-3.1-70B-Instruct (official-fallback-config). GPU/product specs: Icecat. Compatibility: RigForAI calculator v1.0.0 estimated VRAM · Q8 at 8K: DOES_NOT_FIT. Amazon: affiliate commerce match, not a spec source.

